Finding the Fourth Proportional to 6,279,285.99, 9,405,196.62 and 4,452,112.43
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Solution
The fourth proportional to 6,279,285.99, 9,405,196.62 and 4,452,112.43 is: 6,668,432.17
Step by Step Solution
- Step 1: Write the proportion equation
6,279,285.99 : 9,405,196.62 = 4,452,112.43 : x - Step 2: Convert to fraction form
6,279,285.99/9,405,196.62 = 4,452,112.43/x - Step 3: Cross multiply
6,279,285.99x = 9,405,196.62 × 4,452,112.43 - Step 4: Simplify right side
6,279,285.99x = 41,872,992,731,470 - Step 5: Solve for x
x = 41,872,992,731,470/6,279,285.99 - Step 6: Final answer
x = 6,668,432.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.